Esther H. Lum, M.D.
Sleep Medicine (Internal Medicine) Physician · Lafayette, CO
Esther H. Lum, M.D. is a sleep medicine (internal medicine) physician with a practice address in Lafayette, Colorado, and NPI 1669502423, issued on Mar 7, 2007. Check the license (Colorado 43801, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Esther H. Lum
- Credential
- M.D.
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License numbers
- 43801 CO
34801 CO
Self-reported in NPPES; status is on the state search - Practice location
- 280 Exempla Cir, Lafayette, CO 80026
- Phone
- (303) 338-4545
- Enumerated
- Mar 7, 2007
- Record last updated
- Jun 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 40389057 CO
- Entity
- Type 1 · individual
8 nearest sleep medicine (internal medicine) physician records → All 21 in Colorado → Look up another NPI →
Also registered at 280 Exempla Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Phyllis Acker, RNRheumatology Physician1821125709
- Brian AcresAmbulatory Care Registered Nurse1174865752
- Jennifer AirhartNurse's Aide1336276310
- Alice Albert, ODOptometrist1639206683
- Jill Allen, R.N.Registered Nurse1114043726
- Sandra AllenNurse's Aide1760519789
Verify Esther H. Lum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 43801Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024
178 Medicare Part D claims for 46 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D.
Most prescribed
- Modafinil33 claims
- Trazodone Hcl29 claims
- Gabapentin27 claims
- Doxepin Hcl23 claims
- Clonazepam14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Esther H. Lum among 21 sleep medicine (internal medicine) physician records in Colorado
Esther H. Lum, M.D. is one of 21 sleep medicine (internal medicine) physician records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 38% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2021 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Internal Medicine) Physician providers in Colorado
There are 21 sleep medicine (internal medicine) physician records in Colorado.
All 21 in Colorado → Every provider in Lafayette → Sleep Medicine (Internal Medicine) Physician nationwide →
The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes
- Evelyn Bolt, MDBroomfield, CO 800231003076159
- Jessica Camacho, M.D.Aurora, CO 800451588927131
- David Slamowitz, MDGreenwood Village, CO 801111780655878
- Robert Ballard, MDLittleton, CO 801201255424347
- Teofilo Lee-Chiong, MDDenver, CO 802041225115546
- Deborah Hong, M.D.Denver, CO 802061932544053
- Neale Lange, MDDenver, CO 802061558337642
- Sheila Tsai, MDDenver, CO 802061902855315
Common questions
What is Esther H. Lum, M.D.'s NPI number?
Esther H. Lum, M.D.'s National Provider Identifier (NPI) is 1669502423, issued on Mar 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Esther H. Lum, M.D. located?
The NPPES record lists a practice address at 280 Exempla Cir, Lafayette, CO, 80026. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.
How can I verify Esther H. Lum, M.D.'s license?
NPPES lists Colorado license number 43801, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Esther H. Lum, M.D. prescribe under Medicare Part D?
In 2024, Esther H. Lum, M.D. had 178 Medicare Part D claims for 46 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.